Insider | Price | Amount | Relationship | Remaining Holdings | Date | Form 4 |
| $83.73 | 3,500 | Director | 3,500 | 2017-05-15 | Filing |
| $83.33 | 15 | Director | 15,221 | 2017-05-18 | Filing |
| $83.73 | 3,500 | Director | 5,706 | 2017-05-15 | Filing |
| $74.00 | 14,850 | Officer | 23,687 | 2016-11-18 | Filing |
| $77.80 | 1,000 | Director | 2,165 | 2016-11-09 | Filing |
| $77.80 | 1,000 | Director | 3,212 | 2016-11-09 | Filing |
| $68.34 | 1,100 | Director | 8,554 | 2015-11-09 | Filing |
| $68.33 | 3,900 | Director | 7,454 | 2015-11-09 | Filing |
| $68.30 | 2,500 | Director | 3,554 | 2015-11-09 | Filing |
| $65.77 | 5,900 | Director | 7,879 | 2013-08-29 | Filing |
| $71.75 | 1,000 | Director | 1,000 | 2013-05-14 | Filing |
| $16.16 | 5,000 | Director | 10,000 | 2009-11-17 | Filing |
| $15.73 | 5,000 | Director | 9,467 | 2009-11-02 | Filing |
| $13.58 | 30,000 | Director | 75,444 | 2009-05-19 | Filing |